I had applied through a referral. They responded, and my interview was conducted within a week.

1st round: It went really well. The interviewer had immense knowledge in Big Data.

I waited for nearly a week for a callback. When I did not get a response even after dropping an email to HR, I contacted my friend who had referred me to check. He reverted with the message that my profile had been aligned for a PySpark developer role. Since there was no current OB in that, they would pick my profile after the OB requirement comes for the same.

It's been 2 months. I have contacted HR but didn't get any response. I tried all sources of contacting Deloitte. Nothing worked.

My advice to Deloitte is that at least have basic courtesy and professionalism to respond to interviewees. We spent our valuable time for a reason.

Project architecture

Scenario based on SCD-type implementation in Spark.

Difference between Repartition and Coalesce, etc.